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Finding the Fourth Proportional to 244,537.80, 366,806.70 and 220,918.20

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Solution

The fourth proportional to 244,537.80, 366,806.70 and 220,918.20 is: 331,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,537.80 : 366,806.70 = 220,918.20 : x
  2. Step 2: Convert to fraction form
    244,537.80/366,806.70 = 220,918.20/x
  3. Step 3: Cross multiply
    244,537.80x = 366,806.70 × 220,918.20
  4. Step 4: Simplify right side
    244,537.80x = 81,034,275,911.94
  5. Step 5: Solve for x
    x = 81,034,275,911.94/244,537.80
  6. Step 6: Final answer
    x = 331,377.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.